Which of the following equations demonstrates the law of conservation of mass? Mg + O2 ---> MgO
Ca + F2 --> CaF
Li + N3 --> Li3N
4Na + O2 ---> 2Na2O

Choose all that apply. when creating a graph, you should: determine the x- and y- variables label the scale on the x- and y- axes plot the data points draw a line of best fit to represent the data trend

What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.